Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The change of annual mean (A), mean ground surface (B), maximum (C) and minimum (D) temperatures, total precipitation (E), mean SPEI (F), mean vapor pressure deficit (VPD) (G), and mean air quality index (AQI) (H) in urban (HRB) and rural (LM) areas from 2002 to 2020. The fitting equation and p-value were shown.
